/* ---------- Base reset & typography ---------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family:
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif;
  line-height: 1.5;
  color: #1f2937;
  background: #f8fafc;
  padding: 2rem;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: #2563eb;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* ---------- FAQ ---------- */
.faq {
  max-width: 640px;
  margin: 0 auto;
}
.faq h1 {
  text-align: center;
  margin-bottom: 1.5rem;
}
.faq details {
  background: #fff;
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  cursor: pointer;
}
.faq summary {
  font-weight: 600;
  list-style: none;
}
.faq summary::after {
  content: "+";
  float: right;
}
.faq details[open] summary::after {
  content: "\2013";
}
.faq p {
  margin-top: 0.75rem;
  color: #4b5563;
}